
/**
 * Copyright 2009 cestum.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package org.waveprotocol.wave.model.document.operation.impl {
import org.goverla.collections.ArrayList;
import org.goverla.collections.HashMap;
import org.waveprotocol.wave.model.document.operation.util.ImmutableAnnotationsStateMap;
import org.waveprotocol.wave.model.document.operation.util.ImmutableAttributesStateMap;

public class AnnotationMapImpl extends ImmutableAnnotationsStateMap
	implements	AnnotationMap {

	public static var EMPTY_MAP:AnnotationMapImpl= new AnnotationMapImpl(null);

	public static function of(map:HashMap):AnnotationMapImpl {
		return new AnnotationMapImpl(ImmutableAttributesStateMap.attributeListFromMap(map));
	}

	function AnnotationMapImpl(attributes:ArrayList) {
		super(attributes);
	}

	override protected function createFromList(attributes:ArrayList):AnnotationMap {
		return new AnnotationMapImpl(attributes);
	}

	override public function updateWith(mutation:AnnotationsUpdate, checkCompatibility:Boolean=false):AnnotationMap {
		return AnnotationMap(super.updateWith(mutation));
	}

	override public function updateWithNoCompatibilityCheck(
			mutation:AnnotationsUpdate):AnnotationMap {
		return AnnotationMap(super.updateWithNoCompatibilityCheck(mutation));
	}
}
}